Valve stem

Details Valve stem Valve stem

2008-09-02

2008-09-02

Simmons, Ian (Department: 2916)

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Design Patent

active

29261450

CLAIM:
The ornamental design for a valve stem, as shown.

REFERENCES:
patent: 3269616 (1966-08-01), West
patent: 3722760 (1973-03-01), Hug
patent: 3773064 (1973-11-01), Focht
patent: 4489916 (1984-12-01), Stevens
patent: 5873497 (1999-02-01), Broadus
patent: 5921446 (1999-07-01), Stern
patent: D441053 (2001-04-01), Fan
patent: 7077297 (2006-07-01), Valentini et al.
patent: 2006/0065678 (2006-03-01), McBroom et al.

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